* {
    margin: 0;
    padding: 0;
}
body {
    background-color: #837a8d;
}
.web {
    width: 500px;
    height: 500px;
    margin: 30px auto;
    box-sizing: border-box;
    background-color: #000;
    position: relative;
}
.cell,.randomCell,.endCell {
    width: 10px;
    height: 10px;
    position: absolute;
    box-sizing: border-box;
    border: 1px solid #fff;
    left: 0;
    top: 0;
    background-color: red;
}
.cell {
    background-color: #ca08e6ab;
}
.endCell {
    background-color: gray;
}
.web .cell:first-child{
    background-color: orange;
}

